topic Re: Removing @region does not remove JS dependencies in Alfresco Archive

Removing @region does not remove JS dependencies

bulatyaminov — Tue, 03 Dec 2013 13:57:28 GMT

I want to customize document library page by removing some components, for example tags selector on the sidebar. However if I try to do that via Share extension and a <@region target="tags" action="remove"/>‍, I get a JavaScript error in browser, coming from tag-filter.js:<blockquote>Unc

Re: Removing @region does not remove JS dependencies

afaust — Wed, 04 Dec 2013 10:22:00 GMT

Hello,

I had a different issue with markups a few months back and the behavior you describe sounds like a potential consequence of the same core behaviour that tripped me up. This is <a href="https://issues.alfresco.com/jira/browse/ALF-19976">the JIRA ticket</a> I opened in September. If you read through the comments you should come to understand that any output generated by <@script> or <@link> is independant of the <@markup> (and by extension <@region>) it is contained in.
By removing the <@markup> or <@region> you remove the model of rendered elements associated with that element, but since the deferred models of <@script> and <@link> are <b>not</b> associated with their original <@markup> / <@region>, they will not be removed along with it and are still present in the output.

Now my interpretation may be flawed as there is a lot going on behind the scenes that I have not fully retraced on a code level yet. This is something that Dave Draper or Kevin Roast may be best suited to answer.

Since you can reproduce this issue please create a JIRA or - if you are an Enterprise customer or working for one - create a support ticket for this.

The only way I can think of working around this would be by using sub-component configuration instead of customization to remove the component instead of "just" the <@region>. That way, the tag-filter web script will not even be evaluated and nothing needs to be removed after it has generated some output.

Regards
Axel

Re: Removing @region does not remove JS dependencies

byaminov — Thu, 12 Dec 2013 10:26:12 GMT

Hi Axel,

Thank you for your reply!

What I did as a quick workaround is just override the whole body region of documentlibrary and hide the tag-filter via CSS. This is of course not the best solution as the JS and HTML is still there on the page.

I will try with sub-component configuration as well. And raise the support ticket.

Regards,
Bulat

Re: Removing @region does not remove JS dependencies

bulatyaminov — Wed, 18 Dec 2013 13:47:52 GMT

Hi,

In the end Alfresco recommends to use sub-components indeed, as Axel also mentioned. A proper way to hide tag-filter on sidebar of document library is to create a Share module extension with following code:

<blockcode>
<module>
<id>Remove Tag filter</id>
<version>1.0</version>
<components>
    <component>
      <region-id>tags</region-id>
      <source-id>documentlibrary</source-id>
      <scope>template</scope>
      <sub-components>
        <sub-component id="default">
          <evaluations>
            <evaluation id="guaranteedToHide">
              <render>false</render>
            </evaluation>
          </evaluations>
        </sub-component>
      </sub-components>
    </component>
</components>
</module>
</blockcode>